package com.hslxy.niukewang.component;

import org.springframework.stereotype.Component;

public class Page {
    public int getCurrent() {
        return current;
    }

    public void setCurrent(int current) {
        if (current >= 1)
            this.current = current;
    }

    public int getLimit() {
        return limit;
    }

    public void setLimit(int limit) {
        if (limit >= 1 && limit <= 100)
            this.limit = limit;
    }

    public int getRows() {
        return rows;
    }

    public void setRows(int rows) {
        if (rows >= 0)
            this.rows = rows;
    }

    public String getPath() {
        return path;
    }

    public void setPath(String path) {
        this.path = path;
    }

    private int current = 1;
    private int limit = 10;
//    页面总数
    private int rows;
//    查询路径
    private String path;

//
    public int getOffset() {
        return (current - 1) * limit;
    }
    public int getTotal(){
        if(rows % limit == 0){
            return rows/limit;
        }else {
            return rows/limit + 1;
        }
    }
//起始页
    public int getFrom(){
        int from = current - 2;
        return from < 1 ? 1: from;
    }

    public int getTo(){
        int to = current + 2;
        int totel = getTotal();
        return to > totel ? totel:to;
    }
}
